Imaginary Picture of WASP-145 A b

Display orbital revolution of WASP-145 A b around the hoststar WASP-145 A
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Exoplanet Name : WASP-145 A b
Alternate Name :
Radius (Rjup / Re): 0.9000 (Rjup) 10.0881 (Rearth)
Mass (Mjup / Me): 0.8900 (Mjup) 282.9648 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0261 (AU) 0.0261 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 1.77 (Days Est.)
Surface Gravity (G Earth) 2.7804
Star Radiation at Atmospheric Boundary: 479872.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1174.7 (K)
Blackbody T 0.3(K) 1103.2 (K)
Blackbody T 0.7(K) 892.6 (K)
Tidally Locked Blackbody T 0.1(K) 1397.0 (K)
Tidally Locked Blackbody T 0.3(K) 1311.9 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : WASP-145 A
Alternate Name :
Star Distance(LY) : 298.6
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.5 (GY)
Temperature : 4900 (K)
Spectral type : K2V
UV portion[%]: 2.8
Visible portion[%]: 36.1
IR portion[%]: 61.1
Metalicity : -0.0
Absolute Magnitude: 6.7
Apparent Magnitude: 11.5
Right Ascension(RA) 322.2529
Declination (DEC) -58.8361
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-145+A+&submit=SIMBAD+search
Open Exoplanet Database Link
WASP-145 A b
WASP-145 A b

  • WASP-145 A b is an exoplanet orbiting the star WASP-145 A, located about 298.6 light-years (91.5 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star WASP-145 A has apparent magnitude of 11.5, with absolute magnitude of 6.7.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4900 with its spectral types of K2V
  • (Projected orbit of WASP-145 A b around its host star WASP-145 A)


  • The Star WASP-145 A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.354 AU ( 52912610.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.489 AU ( 73139054.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.745 AU ( 111447734.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.096 AU ( 164000222.8 km)
  • Radiation at Planetary Boundary of WASP-145 A b : 479872.59 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-145 A)



  • Kopparapu Recent Venus for Star WASP-145 A distance : 0.384 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-145 A distance : 0.487 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-145 A distance : 0.470 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-145 A distance : 0.516 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-145 A distance : 0.886 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-145 A distance : 0.934 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-145 A)



  • Original Kopparapu Recent Venus for Star WASP-145 A distance : 0.380 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-145 A distance : 0.502 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-145 A distance : 0.503 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-145 A distance : 0.900 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-145 A distance : 0.936 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-145 A)



    (Position in Stellar Map of star WASP-145 A and its Exoplanet WASP-145 A b)



    (Zoomed position in Stellar Map of star WASP-145 A and its Exoplanet WASP-145 A b (zoom level 3))

    (Synthetic Spectrum of star WASP-145 A*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102